Adding conjoined-field-names for graphite templates

services/graphite/parser.go

@@ -237,6 +237,9 @@ func (t *template) Apply(line string) (string, map[string]string, string, error)
 				return "", nil, "", fmt.Errorf("'field' can only be used once in each template: %q", line)
 			}
 			field = fields[i]
+		} else if tag == "field*" {
+			field = strings.Join(fields[i:], "_")
+			break
 		} else if tag == "measurement*" {
 			measurement = append(measurement, fields[i:]...)
 			break

services/graphite/parser_test.go

@@ -100,6 +100,13 @@ func TestTemplateApply(t *testing.T) {
 			measurement: "cpu.load",
 			tags:        map[string]string{"zone": "us-west"},
 		},
+		{
+			test:        "conjoined fields",
+			input:       "prod.us-west.server01.cpu.util.idle.percent",
+			template:    "env.zone.host.measurement.measurement.field*",
+			measurement: "cpu.util",
+			tags:        map[string]string{"env": "prod", "zone": "us-west", "host": "server01"},
+		},
 	}
 
 	for _, test := range tests {